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    <title>Document</title>
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<body>
    <script>
        // 泡排序：将一个数组按照从大到小的顺序进行排列
        var arr = [3, 1, 4, 1, 5, 9, 2, 6, 5, 3, 5];
        function bubbleSort(arr) {
            var len = arr.length;
            for (var i = 0; i < len - 1; i++) {
                for (var j = 0; j < len - i - 1; j++) {
                    if (arr[j] < arr[j + 1]) {
                        var temp = arr[j];
                        arr[j] = arr[j + 1];
                        arr[j + 1] = temp;
                    }
                    }
                    }
                    return arr;
                }
                console.log(bubbleSort(arr));
                
    </script>
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